15.4: Safety is Built In
- Page ID
- 143277
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Safety is Built In
Safety considerations start the moment a project is undertaken. In modern engineering, regulatory standards from OSHA, ANSI, ISO, and many others, are hard design constraints, just like material selection, motor torque, or staying within a project budget.
If you are a mechanical engineer and a machine is designed without proper safety geometry in CAD, fixing it later in the physical shop is exponentially more expensive and often leads to clunky, inefficient retrofits. Design engineers must incorporate safety directly into the project design.
Example: Pressure Systems and Structural Safety Factors
When designing pressure vessels, hydraulic piping, or overhead crane structures, structural failure can be catastrophic.
- OSHA and codes like ASME dictate minimum Factors of Safety (FOS). If a pressure tank operates at 100 PSI, the engineering standards might require a 4x safety factor, meaning your geometry, wall thickness, and material properties must be modeled to withstand at least 400 PSI without yielding. Before sending a model to production, you must validate these geometric constraints.
"The Design Mindset"
At its core, safety cannot be an afterthought. It must be engineered into the model or project from day one.